Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/06/19 | upstream (ToT) | 45a3e24f65e9 | C | [report] possible deadlock in hfs_find_init |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/06/19 | upstream (ToT) | 45a3e24f65e9 | C | [report] possible deadlock in hfs_find_init |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.14 | possible deadlock in hfs_find_init hfs | C | 1 | 205d | 237d | 0/1 | upstream: reported C repro on 2023/01/26 19:14 | ||
linux-4.19 | possible deadlock in hfs_find_init hfs | C | error | 7 | 199d | 265d | 0/1 | upstream: reported C repro on 2022/12/30 06:08 | |
upstream | possible deadlock in hfs_find_init (2) hfs | C | error | 89 | 4d23h | 268d | 0/25 | upstream: reported C repro on 2022/12/27 00:59 | |
linux-6.1 | possible deadlock in hfs_find_init origin:upstream | C | 15 | 5d12h | 184d | 0/3 | upstream: reported C repro on 2023/03/20 17:38 | ||
upstream | possible deadlock in hfs_find_init hfs | C | done | error | 1 | 986d | 1977d | 22/25 | fixed on 2021/11/10 00:50 |
loop0: detected capacity change from 0 to 64 ============================================ WARNING: possible recursive locking detected 5.15.117-syzkaller #0 Not tainted -------------------------------------------- syz-executor280/3960 is trying to acquire lock: ffff0000c94000b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 but task is already holding lock: ffff0000c94000b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&tree->tree_lock/1); lock(&tree->tree_lock/1); *** DEADLOCK *** May be due to missing lock nesting notation 5 locks held by syz-executor280/3960: #0: ffff0000c1ee6460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x228/0xb3c fs/read_write.c:590 #1: ffff0000c2269628 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #1: ffff0000c2269628 (&sb->s_type->i_mutex_key#17){+.+.}-{3:3}, at: generic_file_write_iter+0x84/0x1b8 mm/filemap.c:3932 #2: ffff0000c2269478 (&HFS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xe4/0x10e4 fs/hfs/extent.c:397 #3: ffff0000c94000b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x148/0x1c8 #4: ffff0000c22680f8 (&HFS_I(tree->inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xe4/0x10e4 fs/hfs/extent.c:397 stack backtrace: CPU: 0 PID: 3960 Comm: syz-executor280 Not tainted 5.15.117-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 __lock_acquire+0x62b4/0x7620 kernel/locking/lockdep.c:5011 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5622 __mutex_lock_common+0x194/0x2154 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 hfs_find_init+0x148/0x1c8 hfs_ext_read_extent fs/hfs/extent.c:200 [inline] hfs_extend_file+0x24c/0x10e4 fs/hfs/extent.c:401 hfs_bmap_reserve+0xd0/0x3b4 fs/hfs/btree.c:231 __hfs_ext_write_extent+0x1a0/0x468 fs/hfs/extent.c:121 __hfs_ext_cache_extent+0x84/0x754 fs/hfs/extent.c:174 hfs_ext_read_extent fs/hfs/extent.c:202 [inline] hfs_extend_file+0x278/0x10e4 fs/hfs/extent.c:401 hfs_get_block+0x3ac/0x9fc fs/hfs/extent.c:353 __block_write_begin_int+0x3ec/0x1608 fs/buffer.c:2012 __block_write_begin fs/buffer.c:2062 [inline] block_write_begin fs/buffer.c:2122 [inline] cont_write_begin+0x538/0x710 fs/buffer.c:2471 hfs_write_begin+0xa8/0xf8 fs/hfs/inode.c:59 generic_perform_write+0x24c/0x520 mm/filemap.c:3776 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3903 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3935 call_write_iter include/linux/fs.h:2103 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x87c/0xb3c fs/read_write.c:594 ksys_write+0x15c/0x26c fs/read_write.c:647 __do_sys_write fs/read_write.c:659 [inline] __se_sys_write fs/read_write.c:656 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:656 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/06/17 03:50 | linux-5.15.y | 471e639e59d1 | f3921d4d | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan-arm64 | possible deadlock in hfs_find_init | |
2023/07/23 02:21 | linux-5.15.y | d54cfc420586 | 27cbe77f | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan | possible deadlock in hfs_find_init | |
2023/06/15 12:29 | linux-5.15.y | 471e639e59d1 | 90d4044e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | possible deadlock in hfs_find_init | ||
2023/07/07 17:47 | linux-5.15.y | d54cfc420586 | 668cb1fa | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in hfs_find_init | ||
2023/04/28 19:58 | linux-5.15.y | f48aeeaaa64c | 62df2017 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in hfs_find_init | ||
2023/04/19 22:01 | linux-5.15.y | 4fdad925aa1a | a219f34e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in hfs_find_init | ||
2023/03/22 23:13 | linux-5.15.y | 115472395b0a | f94b4a29 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | possible deadlock in hfs_find_init |